Mazumder, M.K.U., Ul Haque, M.M., Nandy, S.P., Ghose, A., Rahman, M.T. and Khondoker, S. 2024. Quasi-Experimental Comparison between Upper and Lower Calyceal Approach in Percutaneous Nephrolithotomy for Complex Renal Calculi in Bangladesh. IAHS Medical Journal . 6, 1 (Aug. 2024), 62–67. DOI:https://doi.org/10.3329/iahsmj.v6i1.75708.